/*
 * Copyright (C) 2020 The LineageOS Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#ifndef VENDOR_LINEAGE_LIVEDISPLAY_V2_0_DISPLAYMODES_H
#define VENDOR_LINEAGE_LIVEDISPLAY_V2_0_DISPLAYMODES_H

#include <vendor/lineage/livedisplay/2.0/IDisplayModes.h>

namespace vendor {
namespace lineage {
namespace livedisplay {
namespace V2_0 {
namespace sysfs {

using ::android::hardware::Return;
using ::android::hardware::Void;

#define FILE_LUT "/sys/class/meizu/lcm/display/lut"
#define FILE_LUT_DEFAULT "/data/vendor/display/lineage_color_profile"

class DisplayModes : public IDisplayModes {
  public:
    DisplayModes();

    bool isSupported();

    // Methods from ::vendor::lineage::livedisplay::V2_0::IDisplayModes follow.
    Return<void> getDisplayModes(getDisplayModes_cb _hidl_cb) override;
    Return<void> getCurrentDisplayMode(getCurrentDisplayMode_cb _hidl_cb) override;
    Return<void> getDefaultDisplayMode(getDefaultDisplayMode_cb _hidl_cb) override;
    Return<bool> setDisplayMode(int32_t modeID, bool makeDefault) override;

  private:
    std::vector<DisplayMode> mDisplayModes;

    DisplayMode getDisplayModeInternal(const char *file);
    DisplayMode getDefaultDisplayModeInternal();
};

}  // namespace sysfs
}  // namespace V2_0
}  // namespace livedisplay
}  // namespace lineage
}  // namespace vendor

#endif  // VENDOR_LINEAGE_LIVEDISPLAY_V2_0_DISPLAYMODES_H
